1. Department of Radiology, Azienda Ospedaliera Universitaria di Cagliari, University of Cagliari, Cagliari, Italy.
2. Stroke Monitoring and Diagnostic Division, AtheroPoint™ LLC, Roseville, California, USA.
3. Department of Neuroradiology, Università Vita-Salute San Raffaele, Milan, Italy.
4. Department of Neurology, Azienda Ospedaliera Universitaria di Cagliari, University of Cagliari, Cagliari, Italy.